Rock Hoppers Brew Club RHBC Logs 2008-2017 > Logs > Lightning Arse [Strong Scotch Ale]

Strong Scotch Ale – All Grain GONE

Batch #:

13-2010

Batch Size:

10 gallons

Boil Time:

90 min

Brew Date:

June 12, 2010

Tap Date:

December 25, 2010

Statistics

Target OG:

1.100 23.7° P

OG:

1.108 25.5° P

Target FG:

1.026 6.6° P

FG:

1.026 6.6° P

Real Extract:

10° P

Attenuation:

74.1% Apparent – 60.8% Real

Color:

14.6 SRM

IBU:

42.8 Rager

BU/GU:

0.4

ABV:

10.9%

ABW:

8.5%

Calories:

358 12 oz

Malts and Grains

Amount	Malt/Grain	% of Grist
22.00 pounds	British Maris Otter Pale Malt	56.3%
10.00 pounds	American Pale Malt (2-Row)	25.6%
0.50 pounds	American Special Roast	1.3%
2.00 pounds	Crystal Malt 40L	5.1%
0.60 pounds	British Pale Chocolate	1.5%
4.00 pounds	American Munich Malt	10.2%
39.10 pounds	Total Grain Weight	100%

Hops

Amount	Hop	Time	Type	Use	Form	AA
1.50 ounces	Magnum	90 min	Bittering	Boil	Pellets	12.5%
1.00 ounces	Golding	30 min	Bittering and Aroma	Boil	Leaf	5.0%
2.50 ounces	Total Hop Weight

Yeasts

Name	Lab/Manufacturer	Product ID	Amount
Edinburgh Ale	White Labs	WLP028	2000 ml

Equipment Profile 15 Gallon/57 Liter Brew Pot (15) and 10 Gallon/38 Liter Cooler Mash Tun

Batch Size:

10.00 gallons

Boil Volume:

12.55 gallons

Evaporation Rate:

9.00% per hour

Typical Efficiency:

72%

Hop Utilization:

100%

Mash Tun Volume:

10.00 gallons

Mash Tun Weight:

9.00 pounds

Mash Tun Specific Heat:

0.30 cal/gram per °C

Mash Tun Dead Space:

0.80 gallons

Loss:

1.00 gallons

Mash Profile Single Infusion Mash, Medium Bodied Beer

Ideal Grain Temp:

72°F

Ideal Tun Temp:

72°F

Ideal Sparge Temp:

168°F

Ideal PH:

5.4

Notes:

Mash profile for most well-modified malts.

Mash Steps

#	Name	Type	Time	Temp.	Description
1	Mash In	Infusion	60 min.	154°F	Add 70% of mash water at 166° F / 74° C
2	Mash Out	Infusion	10 min.	168°F	Add 30% of mash water at 197° F / 92° C

Water Profile Highlands Ranch, Colorado

Calcium:

31.4 ppm

Bicarbonate:

56.9 ppm

Sulfate:

41.1 ppm

Chloride:

0.9 ppm

Sodium:

27.0 ppm

Magnesium:

3.5 ppm

PH:

5.4

Notes:

Filtered through standard charcoal system.

Fermentation and Aging

Primary:

14 days @ 68° F

Secondary:

35 days @ 68° F

Age:

250 days @ 65° F

Lightning Arse

Date Brewed:
Brewer/Assistant:

Brew Day Data

	Target	Actual	Notes
Strike Water Amount:	13
Strike Water Temperature:
Mash Temperature(s):
Mash Time:
Sparge Water Amount:	6.3
Sparge Water Temperature:
Pre-Boil Gravity:
Pre-Boil Amount:	11
Post-Boil Amount:	10
Boil Time:	90
OG:	1.108 / 25.5° P
Mash PH:
Boil PH:

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Log: Lightning Arse